Benjamin

> Sounds to me like there's a bug when ia extends across a stack page boundary, which would mean this is hard to reproduce Interesting. Looks like ASLR is enabled...

Here is the relevant snipped from the versions compiled with 96 and 97: 96: ``` asm printf("begin\n"); 40059c: bf b4 06 40 00 mov $0x4006b4,%edi 4005a1: e8 aa fe ff...

> Is this bare metal or in a VM? Bare metal. EDIT: More specifically: Bare-metal, Ubuntu 14.04.4, Kernel 4.2.0-42-generic > you run with RR_LOG=ReplayTimeline and dump that output? ``` (rr)...

> If you do `run` instead of `reverse-continue`, you should see that watchpoint being hit several times corresponding to the hits in the ReplayTimeline log. I don't really understand. Doesn't...

I am not very familiar with rr/gdb internals, so not sure how much of a help I can be here. If there _is_ anything I can do to help, let...

Thank you @hoodmane for the speedy reply! It seems as if the `err.message` technique will get me almost to where I want, so that will probably suffice for my purpose....

Thanks @ryanking13. I am not very familiar with the details of JS error object. From my perspective, what's happening here is a blurring of lines between a Js error and...

Also, my bad. I just realized I made a blunder in my original post. Initially, I had indicated that the actual output I got printing from the example code included...

I apologize for the delay! I guess we missed the backport deadline for the releases earlier this week. Anyways, PR has been updated with the fix recommended my @mattlord.

@mattlord All the comments you mentioned should be fixed for this PR. lmk what you think.